Originally Posted by JohnDThompson

Ouch! I'd think those serrated jaws would really chew up the soft aluminum headset parts; that's why Shimano designed those scalloped wrenches in the first place, to minimize damage to the headset.

In any case, there's an outfilt based in Poland and selling on eBay (the same outfit making the dual-ended TA/Stronglight crank extractors) that has a reproduction scalloped wrench for those headsets. Reasonable price, too:


https://www.ebay.com/itm/headset-wre...0AAOSw1BlZSk-3